public class J05switch {
    public static void main(String[] args) {
        int num = 100;
        switch (num){
            case 1:
                System.out.println("一");
                break;
            case 2:
                System.out.println("二");
                //break;
            case 3:
                System.out.println("三");
                //break;
            case 4:
                System.out.println("四");
                //break;
            default:
                System.out.println("匹配失败！");
                //break;
        }
        System.out.println("==end===");
    }
}
